6663013140 has 72 divisors (see below), whose sum is σ = 21702395232. Its totient is φ = 1522973760.

The previous prime is 6663013109. The next prime is 6663013153. The reversal of 6663013140 is 413103666.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6663013098 and 6663013107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130226 + ... + 1136105.

It is an arithmetic number, because the mean of its divisors is an integer number (301422156).

Almost surely, 2^6663013140 is an apocalyptic number.

6663013140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6663013140 is an abundant number, since it is smaller than the sum of its proper divisors (15039382092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6663013140 is a wasteful number, since it uses less digits than its factorization.

6663013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266357 (or 2266348 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6663013140 is about 81627.2818364057. The cubic root of 6663013140 is about 1881.7281849144.

The spelling of 6663013140 in words is "six billion, six hundred sixty-three million, thirteen thousand, one hundred forty".